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Earth, Planets and Space
Fig. 1 | Earth, Planets and Space

Fig. 1

From: Magma reservoir beneath Azumayama Volcano, NE Japan, as inferred from a three-dimensional electrical resistivity model explored by means of magnetotelluric method

Fig. 1

Study area and the MT and GDS observation sites. a Location of study area. b Regional map of study area and adjacent locations. c Local view of the study area with the 18 MT and GDS observation sites represented by the white circles. The red triangle shows the location of the active fumarole in Oana Crater (altitude of 1720 m above sea level). The black triangles designate Azumayama Volcano edifices: 1. Mt. Issaikyo (alt. 1949 m asl), 2. Azuma-kofuji (alt. 1707 m asl), 3. Higashi-azuma (alt. 1975 m asl), 4. Naka-azuma (alt. 1931 m asl), 5. Nishi-azuma (alt. 2035 m asl). The contour intervals on the surface topography are labeled in meters above sea level

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